1. Department of Pharmacology, Penn State College of Medicine, Hershey, Pennsylvania 17033-0850, United States
2. Department of Biomedical Engineering, Penn State University, University Park, Pennsylvania 16802, United States
3. Department of Chemistry, University of North Carolina at Charlotte, Charlotte, North Carolina 28223, United States
4. Department of Chemistry, Penn State University, University Park, Pennsylvania 16802, United States
5. The Howard Hughes Medical Institute, Penn State University, University Park, Pennsylvania 16802, United States
6. The Huck Institutes of the Life Sciences, Penn State University, University Park, Pennsylvania 16802, United States
7. Department of Biochemistry & Molecular Biology, Penn State University, University Park, Pennsylvania 16802, United States
8. Department of Biochemistry & Molecular Biology, Penn State College of Medicine, Hershey, Pennsylvania 17033-0850, United States